Home / 51,716.98-77,573.92-14,279.33

Finding the Fourth Proportional to 51,716.98, 77,573.92 and 14,279.33

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Solution

The fourth proportional to 51,716.98, 77,573.92 and 14,279.33 is: 21,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,716.98 : 77,573.92 = 14,279.33 : x
  2. Step 2: Convert to fraction form
    51,716.98/77,573.92 = 14,279.33/x
  3. Step 3: Cross multiply
    51,716.98x = 77,573.92 × 14,279.33
  4. Step 4: Simplify right side
    51,716.98x = 1,107,703,603.07
  5. Step 5: Solve for x
    x = 1,107,703,603.07/51,716.98
  6. Step 6: Final answer
    x = 21,418.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.